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authorAlex Elder <elder@ieee.org>2009-09-10 14:33:56 -0500
committerAlex Elder <aelder@sgi.com>2009-09-10 14:33:56 -0500
commita4872d5b6ad69a49975c0268828b5bb2317ea5a0 (patch)
treef79577c2731753efb621ef62774949c1e0acdaad /fs/buffer.c
parent4734d401d43c6469d568caf223d37aa0fc1bf4dc (diff)
parent74fca6a42863ffacaf7ba6f1936a9f228950f657 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index a3ef091a45b..28f320fac4d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1165,8 +1165,11 @@ void mark_buffer_dirty(struct buffer_head *bh)
if (!test_set_buffer_dirty(bh)) {
struct page *page = bh->b_page;
- if (!TestSetPageDirty(page))
- __set_page_dirty(page, page_mapping(page), 0);
+ if (!TestSetPageDirty(page)) {
+ struct address_space *mapping = page_mapping(page);
+ if (mapping)
+ __set_page_dirty(page, mapping, 0);
+ }
}
}